If you'd like to maintain the module, there's instructions in that changelog for getting in touch about that - but in the meantime I'm going to close this PR as it won't be merged unless someone comes forward to maintain a Silverstripe CMS 5 compatible version of this module.
Hiya,
As per the note in the 5.0.0 changelog, support for this module for Silverstripe CMS 5 was dropped.
If you'd like to maintain the module, there's instructions in that changelog for getting in touch about that - but in the meantime I'm going to close this PR as it won't be merged unless someone comes forward to maintain a Silverstripe CMS 5 compatible version of this module.